| Trial Frame (ESS205) | 06945033904243 | Lianyungang TianNuo Optical Instrument Co.,Ltd. | Class Im | |
| Trial Frame (STF-4860) | 06945033902454 | Lianyungang TianNuo Optical Instrument Co.,Ltd. | Class Im | |
| Trial Frame ( STF-5056) | 06945033901075 | Lianyungang TianNuo Optical Instrument Co.,Ltd. | Class Im | |
| Trial Frame ( STF-5470) | 06945033902430 | Lianyungang TianNuo Optical Instrument Co.,Ltd. | Class Im | |
| Trial Frame ( STF-5868) | 06945033901129 | Lianyungang TianNuo Optical Instrument Co.,Ltd. | Class Im | |
| Trial Frame(UTF-5080Pro) | 06945033902416 | Lianyungang TianNuo Optical Instrument Co.,Ltd. | Class Im | |
| Trial Frame ( UTF-5080,Trial Frame 10) | 06945033902423 | Lianyungang TianNuo Optical Instrument Co.,Ltd. | Class Im | |